CN216706770U

CN216706770U - Axial flexible positioning fixture for machining speed reducer gear

Info

Publication number: CN216706770U
Application number: CN202123420060.3U
Authority: CN
Inventors: 朱延波
Original assignee: Huai'an Jiangjian Transmission Machinery Co ltd
Current assignee: Huai'an Jiangjian Transmission Machinery Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-10
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses an axial flexible positioning fixture for machining a gear of a speed reducer, which relates to the field of speed reducer production and comprises a positioning shaft, wherein a rubber sleeve is fixedly connected to the surface of the outer side of the positioning shaft, a plurality of supporting plates are fixedly connected to the lower part of the positioning shaft, the roots of the supporting plates are fixedly connected with the rubber sleeve, one end, away from the rubber sleeve, of each supporting plate is in threaded connection with a first screw, the top of each first screw is fixedly connected with a rubber pad, the bottom of the positioning shaft is fixedly connected with a fixed shaft, the middle of the top of the positioning shaft is fixedly connected with a second screw, a limiting sleeve is in threaded connection with the upper part of the second screw, a screw hole is formed in the top of the limiting sleeve, and a compression ring is fixedly connected to the bottom of the limiting sleeve. According to the utility model, by arranging the positioning shaft, the limiting sleeve and the first screw, the applicable range of the central aperture of the reducer gear is larger, the reducer gear can be tightly fixed on the device, and the reducer gear is ensured not to be loosened during rotary processing.

Description

Axial flexible positioning fixture for machining speed reducer gear

Technical Field

The utility model relates to the field of reducer production, in particular to an axial flexible positioning clamp for machining a reducer gear.

Background

The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery. The speed reducer is generally used for low-speed and large-torque transmission equipment, and the purpose of reducing speed is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer. The reducer gear plays an important role when the reducer is used, so that the processing of the reducer gear is very important.

The existing speed reducer gear machining mainly fixes the speed reducer gear through a central hole of the speed reducer gear, so that the speed reducer gear is machined by a cutter or other tools in the rotating process of the speed reducer gear, but the central hole diameter of the speed reducer gear is inconsistent in size, and great challenges can be generated for fixation. In order to solve the above problems, it is necessary to provide an axial flexible positioning fixture for machining a gear of a speed reducer.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the axial flexible positioning fixture for machining the speed reducer gear is provided, and the technical scheme solves the problems that the existing speed reducer gear machining provided in the background technology is mainly used for fixing the speed reducer gear through the central hole of the speed reducer gear, so that the speed reducer gear is machined by a cutter or other tools in the rotating process of the speed reducer gear, but the central hole diameter of the speed reducer gear is not consistent in size, and great challenges can be generated for fixing.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

the utility model provides a reduction gear is axial flexible positioning fixture for processing, includes the location axle, location axle outside fixed surface is connected with the rubber sleeve, location axle below a plurality of backup pad, the root and the rubber sleeve fixed connection of backup pad, the one end threaded connection that the rubber sleeve was kept away from to the backup pad has first screw rod, first screw rod top fixedly connected with rubber pad, location axle bottom fixedly connected with fixed axle, fixedly connected with second screw rod in the middle of the location axle top, threaded connection has the stop collar above the second screw rod, the screw has been seted up at the stop collar top, stop collar bottom fixedly connected with clamping ring.

Preferably, a cavity is formed in the inner portion of the limiting sleeve, the shape of the cavity is matched with that of the top of the positioning shaft, the second screw is connected in the screw hole in a threaded mode, and the limiting sleeve is sleeved on the outer side of the rubber sleeve.

Preferably, the gear body is sleeved at a position, above the first screw, of the rubber sleeve.

Preferably, the top of the rubber pad abuts against the lower surface of the gear body, and the lower surface of the pressing ring abuts against the upper surface of the gear body.

Preferably, the positioning shaft is in a circular truncated cone shape, and the diameter of the section of the positioning shaft is gradually increased from top to bottom.

Preferably, a plurality of the first screws are arranged at equal intervals along the circumference of the bottom of the positioning shaft.

Preferably, the limiting sleeve is in a round table shape, and the outer side slope of the limiting sleeve is consistent with that of the positioning shaft.

Compared with the prior art, the utility model provides an axial flexible positioning clamp for machining a gear of a speed reducer, which has the following beneficial effects:

through setting up the location axle, stop collar and first screw rod, the cross-sectional diameter crescent of location axle, the central aperture scope of reduction gear that can be suitable for is great, reduction gear always can be through removing, obtain the support on the location axle, and simultaneously, the location axle also centers on reduction gear, make the centre of a circle of reduction gear coincide with the rotation center of location axle, and the pressfitting through stop collar and first screw rod, can closely fix reduction gear on the device, guarantee that rotatory man-hour, reduction gear can not appear not hard up, and through setting up rubber pad and rubber sleeve, can increase the friction on the one hand, make reduction gear can not produce the rotation type and slide with between this anchor clamps, on the other hand, when avoiding the centre gripping, produce the indentation on reduction gear, influence pleasing to the eye.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a schematic view of the positioning shaft and the stop collar of the present invention;

fig. 3 is a schematic structural view of the stop collar of the present invention.

The reference numbers in the figures are:

1. a gear body; 2. a fixed shaft; 3. a limiting sleeve; 4. a screw hole; 5. a rubber sleeve; 6. a rubber pad; 7. a support plate; 8. a first screw; 9. a second screw; 10. positioning the shaft; 11. and (5) pressing a ring.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, an axial flexible positioning fixture for machining a speed reducer gear comprises a positioning shaft 10, wherein a rubber sleeve 5 is fixedly connected to the surface of the outer side of the positioning shaft 10, a plurality of supporting plates 7 are fixedly connected to the lower portion of the positioning shaft 10, the roots of the supporting plates 7 are fixedly connected with the rubber sleeve 5, one ends, far away from the rubber sleeve 5, of the supporting plates 7 are in threaded connection with first screw rods 8, rubber pads 6 are fixedly connected to the tops of the first screw rods 8, a fixed shaft 2 is fixedly connected to the bottom of the positioning shaft 10, a second screw rod 9 is fixedly connected to the middle of the top of the positioning shaft 10, a limiting sleeve 3 is in threaded connection with the upper portion of the second screw rod 9, screw holes 4 are formed in the tops of the limiting sleeves 3, and a pressing ring 11 is fixedly connected to the bottom of the limiting sleeve 3;

referring to fig. 1 and 2, in use, the fixed shaft 2 is fixed on a rotating device to be processed, the stop collar 3 is screwed, the stop collar 3 is removed from the second screw rod 9, the rubber sleeve 5 and the positioning shaft 10 are exposed, the gear body 1 is sleeved on the positioning shaft 10, the gear body 1 is vertically pressed downwards to a limit position, at the moment, the stop collar 3 is re-installed on the second screw rod 9, the stop collar 3 is screwed, the stop collar 3 is made to descend along the second screw rod 9 until the pressing ring 11 at the bottom of the stop collar 3 is tightly pressed on the upper surface of the gear body 1, and then the first screw rod 8 is screwed, so that the rubber pad 6 is pressed against the lower surface of the gear body 1 to provide support for the gear body 1.

Specifically, the cavity is formed in the limiting sleeve 3, the shape of the cavity is matched with the shape of the top of the positioning shaft 10, the second screw rod 9 is connected in the screw hole 4 in a threaded mode, and the limiting sleeve 3 is sleeved on the outer side of the rubber sleeve 5.

The rubber sleeve 5 is sleeved with the gear body 1 at a position above the first screw 8.

6 top butt of rubber pad is at the lower surface of gear

main part

1, and 11 lower surface butt of clamping ring are at the upper surface of gear main part 1, and the shape of location axle 10 is round platform shape, and location axle 10 cross-section diameter top-down crescent is a plurality of first screw rod 8 is according to the equidistant range of location axle 10 bottom circumference, and the shape of stop collar 3 is round platform shape, and the outside slope of stop collar 3 is unanimous with the outside slope of location axle 10.

The working principle and the using process of the utility model are as follows: through setting up location axle 10, stop collar 3 and first screw rod 8, the cross-sectional diameter of location axle 10 crescent, the central aperture scope of reduction gear that can be suitable for is great, reduction gear always can be through removing, acquire the support on location axle 10, and simultaneously, location axle 10 also centers on reduction gear, make the centre of a circle of reduction gear and the center of rotation coincidence of location axle 10, and the pressfitting through stop collar 3 and first screw rod 8, can closely fix reduction gear on the device, guarantee that rotatory man-hour, reduction gear can not appear becoming flexible, and through setting up rubber pad 6 and rubber sleeve 5, can increase the friction on the one hand, make reduction gear can not produce the rotation type between this anchor clamps and slide, on the other hand, when avoiding the centre gripping, produce the indentation on reduction gear, influence pleasing to the eye.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a reduction gear is axial flexible positioning fixture for processing, a serial communication port, including location axle (10), location axle (10) outside fixed surface is connected with rubber sleeve (5), location axle (10) below fixedly connected with a plurality of backup pad (7), the root and the rubber sleeve (5) fixed connection of backup pad (7), the one end threaded connection who keeps away from rubber sleeve (5) in backup pad (7) has first screw rod (8), first screw rod (8) top fixedly connected with rubber pad (6), location axle (10) bottom fixedly connected with fixed axle (2), fixedly connected with second screw rod (9) in the middle of location axle (10) top, second screw rod (9) top threaded connection has stop collar (3), screw (4) have been seted up at stop collar (3) top, stop collar (3) bottom fixedly connected with clamping ring (11).

2. The axial flexible positioning fixture for machining the reducer gear according to claim 1, characterized in that: the limiting sleeve (3) is internally provided with a cavity, the shape of the cavity is matched with the shape of the top of the positioning shaft (10), the second screw (9) is in threaded connection with the screw hole (4), and the limiting sleeve (3) is sleeved on the outer side of the rubber sleeve (5).

3. The axial flexible positioning fixture for machining the reducer gear according to claim 1, characterized in that: the gear main body (1) is sleeved at the position, above the first screw rod (8), of the rubber sleeve (5).

4. The axial flexible positioning fixture for machining the reducer gear according to claim 3, characterized in that: the top of the rubber pad (6) is abutted to the lower surface of the gear body (1), and the lower surface of the pressing ring (11) is abutted to the upper surface of the gear body (1).

5. The axial flexible positioning clamp for machining the speed reducer gear according to claim 1, characterized in that: the positioning shaft (10) is in a round table shape, and the diameter of the section of the positioning shaft (10) is gradually increased from top to bottom.

6. The axial flexible positioning fixture for machining the reducer gear according to claim 1, characterized in that: the first screws (8) are arranged at equal intervals according to the circumference of the bottom of the positioning shaft (10).

7. The axial flexible positioning fixture for machining the reducer gear according to claim 1, characterized in that: the limiting sleeve (3) is in a round table shape, and the outer side slope of the limiting sleeve (3) is consistent with that of the positioning shaft (10).